18730014446 has 32 divisors (see below), whose sum is σ = 34743945600. Its totient is φ = 7445126880.

The previous prime is 18730014421. The next prime is 18730014449. The reversal of 18730014446 is 64441003781.

It is a happy number.

It is a super-2 number, since 2×18730014446² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18730014449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717976 + ... + 1728843.

It is an arithmetic number, because the mean of its divisors is an integer number (1085748300).

Almost surely, 2^18730014446 is an apocalyptic number.

18730014446 is a deficient number, since it is larger than the sum of its proper divisors (16013931154).

18730014446 is a wasteful number, since it uses less digits than its factorization.

18730014446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446864.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 18730014446 in words is "eighteen billion, seven hundred thirty million, fourteen thousand, four hundred forty-six".